How long will this memory foam mattress last?

It is built to last, scoring 9.3 on durability. Unlike cheaper low-density memory foams that soften within a season, this mattress uses genuine high-density comfort foam over a high-density Serta Foam Core that resists body impressions. With no coils to lose tension, there is no mechanical part to fatigue. Serta backs it with a 10-year warranty, and it is built in Ontario to hold its firm feel for years.

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